Equations Module - Pretask

Solve the equation: 3x + 5 = 14

• x = 7

• x = 10

• x = 3

• x = 2

Solve the equation: 2y - 7 = 11

• y = 12

• y = 5

• y = 9

• y = -4

Use inverse operations to solve the equation: 4p - 8 = 20

• p = 5

• p = 3

• p = 12

• p = 7

Use inverse operations to solve the equation: 5q + 3 = 18

• q = 15

• q = 10

• q = 5

• q = 3

Write the equation for the following word problem: If 8 is subtracted from a number, the result is 20.

• 8 - x = 20

• x - 8 = 20

• x + 8 = 20

• x = 20 - 8

Write the equation for the following word problem: Five times a number decreased by 7 is 18.

• 5x - 7 = 18

• 5x - 7 = 25

• 5x + 7 = 11

• 5x + 7 = 18

Check if x = 3 is a solution for the equation 2x - 1 = 5

• No

• Not sure

• Yes

• Maybe

Check if y = 6 is a solution for the equation 3y + 4 = 19

• No

• Maybe

• Yes

• Not sure

Solve the two-step equation of the form px + q = r: 2x + 3 = 11

• x = 7

• x = 2

• x = 5

• x = 4

Solve the two-step equation of the form p(x + q) = r: 4(x - 2) = 12

• x = 5

• x = 3

• x = 10

• x = 7